China Sterile Syringe Filter Manufacturers - Sterile Syringe 25mm PES Membrane Analysis 0.45 Micron Sterile Syringe Filter For HPLC Introduction Green Mall sterile syringe filters are independently packed, available with PES,PTFE,PVDF, Nylon, MCE, CA, & pore size 0.22,0.45, 0.8μm. gamma radiation sterilization, DuPont analyzer.